Abstract
Density fluctuation effects on the conformation of a polymer chain in a supercritical solvent were investigated by performing a multiscale simulation based on the density-functional theory. We found (a) a universal swelling of the polymer chain near the critical point, irrespective of whether the polymer chain is solvophilic or solvophobic, and (b) a characteristic collapse of the polymer chain having a strong solvophilicity at a temperature slightly higher than the critical point, where the isothermal compressibility becomes less than the ideal one.
| Original language | English |
|---|---|
| Article number | 030801 |
| Journal | Physical Review E - Statistical, Nonlinear, and Soft Matter Physics |
| Volume | 79 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Mar 3 2009 |
| Externally published | Yes |
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ASJC Scopus subject areas
- Condensed Matter Physics
- Statistical and Nonlinear Physics
- Statistics and Probability
Cite this
Critical Casimir effect in a polymer chain in supercritical solvents. / Sumi, Tomonari; Imazaki, Nobuyuki; Sekino, Hideo.
In: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, Vol. 79, No. 3, 030801, 03.03.2009.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Critical Casimir effect in a polymer chain in supercritical solvents
AU - Sumi, Tomonari
AU - Imazaki, Nobuyuki
AU - Sekino, Hideo
PY - 2009/3/3
Y1 - 2009/3/3
N2 - Density fluctuation effects on the conformation of a polymer chain in a supercritical solvent were investigated by performing a multiscale simulation based on the density-functional theory. We found (a) a universal swelling of the polymer chain near the critical point, irrespective of whether the polymer chain is solvophilic or solvophobic, and (b) a characteristic collapse of the polymer chain having a strong solvophilicity at a temperature slightly higher than the critical point, where the isothermal compressibility becomes less than the ideal one.
AB - Density fluctuation effects on the conformation of a polymer chain in a supercritical solvent were investigated by performing a multiscale simulation based on the density-functional theory. We found (a) a universal swelling of the polymer chain near the critical point, irrespective of whether the polymer chain is solvophilic or solvophobic, and (b) a characteristic collapse of the polymer chain having a strong solvophilicity at a temperature slightly higher than the critical point, where the isothermal compressibility becomes less than the ideal one.
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UR - http://www.scopus.com/inward/citedby.url?scp=64049112998&partnerID=8YFLogxK
U2 - 10.1103/PhysRevE.79.030801
DO - 10.1103/PhysRevE.79.030801
M3 - Article
AN - SCOPUS:64049112998
VL - 79
JO - Physical Review E
JF - Physical Review E
SN - 2470-0045
IS - 3
M1 - 030801
ER -